morgan vulnerable to Log Injection via unescaped double quote in quoted log fields

Impact Morgan writes attacker-controlled request data to the access log. Its escaping added in 1.11.0 and 1.12.0 neutralizes control characters, the Unicode line separators, and backslash, but not the double quote 0x22, which is the field delimiter of the Apache combined log format morgan emits. ...

PT-2026-89814

morgan is an HTTP request logger middleware for Node.js. In versions before 1.12.1, its escapeLogField function does not escape the double quote character, which delimits the quoted fields of the Apache combined log format that morgan emits. An unauthenticated remote attacker who controls a value...